﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace BUIANHQUAN.EXCERCISES.EX02
{
    class VALUE
    {
        
        public double Cong(double a, double b)
        {
            return a + b;   
        }
        public double Tru(double a, double b) 
        { 
            return a - b;
        }
        public double Nhan(double a, double b)
        {
            return a * b;
        }
        public double Chia(double a, double b)
        {
            return a / b;
        }
    }
}
